Java BluePrints

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Java BluePrints is Sun Microsystems' best practices for Enterprise Java development. This is Sun's official programming model for Java 2 Platform, Enterprise Edition (J2EE) Software Development Kit (SDK). It began with Java Pet Store, the original reference application for the J2EE platform. This became the de facto source code for using Enterprise Java Beans and all the latest components of the J2EE platform.

Throughout its existence, Java BluePrints has offered all of its content for free and has been focused on promoting developer success. Java Pet Store became the symbol for J2EE's ascendency; Microsoft created a competing .NET Pet Shop to showcase its competing technology. Since then, many technologies such as Tapestry, Spring, and others have implemented their own versions of the Pet Store application as a way to demonstrate best practices for their given technology.

With the arrival of J2EE 1.4 technology, web services became a standard part of the J2EE specification. Java BluePrints came out with a second application: the Java Adventure Builder reference application. This application never became as popular as Java Pet Store but then again, it never became as controversial.

There have been three Java BluePrints books, and the Core J2EE design patterns which are hosted on the Java BluePrints site have become the standard lingua for J2EE application development.^[1] Java BluePrints was the first source to promote Model View Controller (MVC) and Data Access Object (DAO) for J2EE application development. Before this, the MVC design pattern was widely promoted as part of SmallTalk.

The latest Java BluePrints offering is the Java BluePrints Solutions Catalog.^[2] It covers topics as diverse as Java Server Faces, Web Services, and Asynchronous Javascript and XML (Ajax). Articles are smaller and more focused and include sample code that shows how a solution is implemented. Its focus is on the J2EE 1.4 SDK.